Mercury - 10W-30 Oil Change Kit 4-Stroke Yamaha F225-F300 Series Marine Oil & Filter Set 8M0162423. Overview. Every boater knows that an engine runs best when it's cared for with consistency and the right tools. There's a certain comfort that washes over you after an oil change - that feeling when you turn the key and the engine settles into a clean, confident idle. If you run a Yamaha F225, F250, or F300, that peace of mind becomes even more important. These engines have power to spare, and kee